{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2026:7RCDXEJ7WETKCEMMFENITM3QSH","short_pith_number":"pith:7RCDXEJ7","schema_version":"1.0","canonical_sha256":"fc443b913fb126a1118c291a89b37091c6175d1d46e1d1f7078996414264f19a","source":{"kind":"arxiv","id":"2608.06006","version":1},"attestation_state":"computed","paper":{"title":"Measurement-induced entanglement Hamiltonian","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Erik Tonni, Viktor Eisler","submitted_at":"2026-08-06T13:12:41Z","abstract_excerpt":"We study the entanglement Hamiltonian of an infinite hopping chain in its ground state, after partial projective measurements in the occupation basis. For a segment separated by two measurement regions from the rest of the chain, we show that the reduced density matrix can be related to a grand-canonical state via a conformal mapping and a gauge transformation in the underlying field-theory description. The entanglement Hamiltonian is then described by a local inverse temperature that vanishes as a square root around the endpoints and is independent of the particular measurement outcome. In sh"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"2608.06006","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2026-08-06T13:12:41Z","cross_cats_sorted":["hep-th","quant-ph"],"title_canon_sha256":"e3f6429275fe711f3d846083d6983f7a662cebddcfdac71396698b74eba3f3b3","abstract_canon_sha256":"83a7bb8d653c1a46175d1e185f3840c37bcb1ce8dafe0363d88ee6121ca3a4b6"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-08-07T00:54:58.691143Z","signature_b64":"wT2/fxGoUUkxc5jDgfa4nSos1gcto8oev5e1WUQbwj1FIaTS2MfOtIylxyGSpoq1VyQHacGfEEsgv2Skpp1uDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fc443b913fb126a1118c291a89b37091c6175d1d46e1d1f7078996414264f19a","last_reissued_at":"2026-08-07T00:54:58.689722Z","signature_status":"signed_v1","first_computed_at":"2026-08-07T00:54:58.689722Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Measurement-induced entanglement Hamiltonian","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th","quant-ph"],"primary_cat":"cond-mat.stat-mech","authors_text":"Erik Tonni, Viktor Eisler","submitted_at":"2026-08-06T13:12:41Z","abstract_excerpt":"We study the entanglement Hamiltonian of an infinite hopping chain in its ground state, after partial projective measurements in the occupation basis. For a segment separated by two measurement regions from the rest of the chain, we show that the reduced density matrix can be related to a grand-canonical state via a conformal mapping and a gauge transformation in the underlying field-theory description. The entanglement Hamiltonian is then described by a local inverse temperature that vanishes as a square root around the endpoints and is independent of the particular measurement outcome. In sh"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2608.06006","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2608.06006/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"2608.06006","created_at":"2026-08-07T00:54:58.691307+00:00"},{"alias_kind":"arxiv_version","alias_value":"2608.06006v1","created_at":"2026-08-07T00:54:58.691307+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2608.06006","created_at":"2026-08-07T00:54:58.691307+00:00"},{"alias_kind":"pith_short_12","alias_value":"7RCDXEJ7WETK","created_at":"2026-08-07T00:54:58.691307+00:00"},{"alias_kind":"pith_short_16","alias_value":"7RCDXEJ7WETKCEMM","created_at":"2026-08-07T00:54:58.691307+00:00"},{"alias_kind":"pith_short_8","alias_value":"7RCDXEJ7","created_at":"2026-08-07T00:54:58.691307+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH","json":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH.json","graph_json":"https://pith.science/api/pith-number/7RCDXEJ7WETKCEMMFENITM3QSH/graph.json","events_json":"https://pith.science/api/pith-number/7RCDXEJ7WETKCEMMFENITM3QSH/events.json","paper":"https://pith.science/paper/7RCDXEJ7"},"agent_actions":{"view_html":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH","download_json":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH.json","view_paper":"https://pith.science/paper/7RCDXEJ7","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=2608.06006&json=true","fetch_graph":"https://pith.science/api/pith-number/7RCDXEJ7WETKCEMMFENITM3QSH/graph.json","fetch_events":"https://pith.science/api/pith-number/7RCDXEJ7WETKCEMMFENITM3QSH/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH/action/storage_attestation","attest_author":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH/action/author_attestation","sign_citation":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH/action/citation_signature","submit_replication":"https://pith.science/pith/7RCDXEJ7WETKCEMMFENITM3QSH/action/replication_record"}},"created_at":"2026-08-07T00:54:58.691307+00:00","updated_at":"2026-08-07T00:54:58.691307+00:00"}